Assume that an apple contains 22 g of carbohydrates and has no fat or protein. The typical energy value for carbohydrates is 17 kJ/g or 4 kcal/g. How much energy, in kcal, is present in the apple?

The answer to your question is 88 kcal

Explanation:

Data

mass of carbohydrates = 22 g

Energy = 4 kcal/gal

Total energy = ?

Process

To solve this process use proportions and cross multiplication

                4 kcal 1 g

                 x         22 g

                 x = (22 x 4) / 1

                x = 88 kcal

This apple contains 88 kcal

a

explanation: